f3523a08982454c89c2876df7d1701c4ad5ac6874676346a4cac3972170491fd

Analysis

max time kernel
150s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
18/03/2024, 12:50

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General

Target

d38f1061266f15dab1b0eea15815a800.pdf
Size

85KB
MD5

d38f1061266f15dab1b0eea15815a800
SHA1

7d1a4da1428f725ed20840871dfb969ca4282824
SHA256

f3523a08982454c89c2876df7d1701c4ad5ac6874676346a4cac3972170491fd
SHA512

573e2e283f2b439d0376863b141beb433530a0a8cef9043466240220b7ca1940ff7089400df0f0bdc0c8539985c1c1b256f212480c00b07e0df55e3d1ec641d7
SSDEEP

1536:N/B7HkDfQbOEnReS8ZUoGLufXWg9T9WGpOKQywb28WUKFkvJiCp1+:P7efAoS8ZUoGLoXt2KQr2/kxi5

Score

1^/10

Malware Config

Signatures

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2727153400-192325109-1870347593-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4556	AcroRd32.exe
4556	AcroRd32.exe
4556	AcroRd32.exe
4556	AcroRd32.exe
4556	AcroRd32.exe
4556	AcroRd32.exe
4556	AcroRd32.exe
4556	AcroRd32.exe
4556	AcroRd32.exe
4556	AcroRd32.exe
4556	AcroRd32.exe
4556	AcroRd32.exe
4556	AcroRd32.exe
4556	AcroRd32.exe
4556	AcroRd32.exe
4556	AcroRd32.exe
4556	AcroRd32.exe
4556	AcroRd32.exe
4556	AcroRd32.exe
4556	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4556	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4556	AcroRd32.exe
4556	AcroRd32.exe
4556	AcroRd32.exe
4556	AcroRd32.exe
4556	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4556 wrote to memory of 3324	4556	AcroRd32.exe	91
PID 4556 wrote to memory of 3324	4556	AcroRd32.exe	91
PID 4556 wrote to memory of 3324	4556	AcroRd32.exe	91
PID 3324 wrote to memory of 1772	3324	RdrCEF.exe	92
PID 3324 wrote to memory of 1772	3324	RdrCEF.exe	92
PID 3324 wrote to memory of 1772	3324	RdrCEF.exe	92
PID 3324 wrote to memory of 1772	3324	RdrCEF.exe	92
PID 3324 wrote to memory of 1772	3324	RdrCEF.exe	92
PID 3324 wrote to memory of 1772	3324	RdrCEF.exe	92
PID 3324 wrote to memory of 1772	3324	RdrCEF.exe	92
PID 3324 wrote to memory of 1772	3324	RdrCEF.exe	92
PID 3324 wrote to memory of 1772	3324	RdrCEF.exe	92
PID 3324 wrote to memory of 1772	3324	RdrCEF.exe	92
PID 3324 wrote to memory of 1772	3324	RdrCEF.exe	92
PID 3324 wrote to memory of 1772	3324	RdrCEF.exe	92
PID 3324 wrote to memory of 1772	3324	RdrCEF.exe	92
PID 3324 wrote to memory of 1772	3324	RdrCEF.exe	92
PID 3324 wrote to memory of 1772	3324	RdrCEF.exe	92
PID 3324 wrote to memory of 1772	3324	RdrCEF.exe	92
PID 3324 wrote to memory of 1772	3324	RdrCEF.exe	92
PID 3324 wrote to memory of 1772	3324	RdrCEF.exe	92
PID 3324 wrote to memory of 1772	3324	RdrCEF.exe	92
PID 3324 wrote to memory of 1772	3324	RdrCEF.exe	92
PID 3324 wrote to memory of 1772	3324	RdrCEF.exe	92
PID 3324 wrote to memory of 1772	3324	RdrCEF.exe	92
PID 3324 wrote to memory of 1772	3324	RdrCEF.exe	92
PID 3324 wrote to memory of 1772	3324	RdrCEF.exe	92
PID 3324 wrote to memory of 1772	3324	RdrCEF.exe	92
PID 3324 wrote to memory of 1772	3324	RdrCEF.exe	92
PID 3324 wrote to memory of 1772	3324	RdrCEF.exe	92
PID 3324 wrote to memory of 1772	3324	RdrCEF.exe	92
PID 3324 wrote to memory of 1772	3324	RdrCEF.exe	92
PID 3324 wrote to memory of 1772	3324	RdrCEF.exe	92
PID 3324 wrote to memory of 1772	3324	RdrCEF.exe	92
PID 3324 wrote to memory of 1772	3324	RdrCEF.exe	92
PID 3324 wrote to memory of 1772	3324	RdrCEF.exe	92
PID 3324 wrote to memory of 1772	3324	RdrCEF.exe	92
PID 3324 wrote to memory of 1772	3324	RdrCEF.exe	92
PID 3324 wrote to memory of 1772	3324	RdrCEF.exe	92
PID 3324 wrote to memory of 1772	3324	RdrCEF.exe	92
PID 3324 wrote to memory of 1772	3324	RdrCEF.exe	92
PID 3324 wrote to memory of 1772	3324	RdrCEF.exe	92
PID 3324 wrote to memory of 1772	3324	RdrCEF.exe	92
PID 3324 wrote to memory of 1772	3324	RdrCEF.exe	92
PID 3324 wrote to memory of 1088	3324	RdrCEF.exe	93
PID 3324 wrote to memory of 1088	3324	RdrCEF.exe	93
PID 3324 wrote to memory of 1088	3324	RdrCEF.exe	93
PID 3324 wrote to memory of 1088	3324	RdrCEF.exe	93
PID 3324 wrote to memory of 1088	3324	RdrCEF.exe	93
PID 3324 wrote to memory of 1088	3324	RdrCEF.exe	93
PID 3324 wrote to memory of 1088	3324	RdrCEF.exe	93
PID 3324 wrote to memory of 1088	3324	RdrCEF.exe	93
PID 3324 wrote to memory of 1088	3324	RdrCEF.exe	93
PID 3324 wrote to memory of 1088	3324	RdrCEF.exe	93
PID 3324 wrote to memory of 1088	3324	RdrCEF.exe	93
PID 3324 wrote to memory of 1088	3324	RdrCEF.exe	93
PID 3324 wrote to memory of 1088	3324	RdrCEF.exe	93
PID 3324 wrote to memory of 1088	3324	RdrCEF.exe	93
PID 3324 wrote to memory of 1088	3324	RdrCEF.exe	93
PID 3324 wrote to memory of 1088	3324	RdrCEF.exe	93
PID 3324 wrote to memory of 1088	3324	RdrCEF.exe	93
PID 3324 wrote to memory of 1088	3324	RdrCEF.exe	93
PID 3324 wrote to memory of 1088	3324	RdrCEF.exe	93
PID 3324 wrote to memory of 1088	3324	RdrCEF.exe	93

C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe
"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\d38f1061266f15dab1b0eea15815a800.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4556
- C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
  "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --backgroundcolor=16514043
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3324
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=CA3583DF63B52D725D1551FC84F2C2A4 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1772
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=23D869F3F92E8B82275E91A7BDD6056D --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=23D869F3F92E8B82275E91A7BDD6056D --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1088
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=1F9B3887233E3485CC02E3B0F0C24E00 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3524
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=4FD4512271AB2B63C31ADCABDD42A648 --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=4FD4512271AB2B63C31ADCABDD42A648 --renderer-client-id=5 --mojo-platform-channel-handle=2436 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:572
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=127098366E9DCA88B9D2746E2717D986 --mojo-platform-channel-handle=2328 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2360
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=186E7FFC90278D461382D27D2B824917 --mojo-platform-channel-handle=1904 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4636

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1696

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
b9218c729d8b8d96091d52207ff2c4b6

SHA1
9261212e870578802c6cc018d4a25f489cb26af4

SHA256
ee177e526b79ca149d997bc6af265188d5b4119804b00f18701f7a7e7724506f

SHA512
efe5a16e75b6f690e1c4d87ba9d6683877951df6af65eff7959626872c713b06fef6edfa06b81f30acfc5deb9936f411ece8bdddaa4c702105fe0e3ca348dfac

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit